Name: AC-7400 Analog Controller
Brand: RKI Instruments

8 or 12 Channel Gas Monitoring

Features

8 or 12 Channel Wired Monitor That Supports Any 4-20 mA Wired Sensor

12 to 35 VDC Operating Voltage with an Optional AC Power Supply

Operating Temperature Range of -40ºC to +70ºC

Graphical LCD with LED Backlight

5 Push-Button Interface (ADD, MENU, SUB, SCAN/ HOLD and RESET/ESC)

4 Individually Configurable Alarm Set-Points – Four Front Panel ALARM LED Indicators (Red); 4 Dry- Contact Relays (4 Amps Maximum per Relay)

Status LEDs for Power and Fault – Multi-Color Status Light; Amber Fault LED for Indicating System Faults

Output options: Wet contact DC fault terminal, relay 4 can optionally be configured as a fault relay, RS-485 Modbus

NEMA-4X Standard fiberglass enclosure with clear window

1-Year limited hardware warranty

Overview

The AC-7400 Controller is a versatile wired monitor that comes standard with DC power and can be configured with AC power supply. Four relays can be individually set up to the full scale of the channel and may be set up to either latching or non-latching. Supports up to 8 or up to 12 individual 4-20 mA wired sensor assemblies that can monitor and display a variety of toxic gases, leading to safer working environment.

The AC-7400 controller represents the latest leading edge technology in fixed gas detection today.

Related Services

Fixed Systems Turnkey Solutions

Design, Consultations, and Engineering
Installation
Start-up
Training
System Maintenance

Application

Petrochemical plants
Refineries
Water & wastewater treatment plants
Pulp & paper mills
Manufacturing facilities
Automotive
Semiconductor plants
Chemical plants

Specifications

Product Type	8 or 12 Channel wired gas monitor controller
Operating Voltage	12V to 35V DC or 120V AC
Current Draw	300 mA maximum (8 channel) 325 mA maximum (12 channel)
Protection	Power electromagnetic interference (EMI) filter 4-20 mA surge suppression RS-485 and RS-232 surge suppression
Display Screen	160 x 104 Resolution graphical LCD screen transflective (sunlight readable) with LED back light
Interface	5 Push-buttons (MENU, ADD, SUB, SCAN/HOLD and RESET/ESC)
Product Mounting	4 Mounting feet, 6 in. W x 12-1/4 in. T (included) maximum mounting bolt/screw size of 5/16 in. (8mm) diameter
Temperature Range	-40°C to +70°C
Product Compatibility	M2A, S2, GD-70D, T2A T3A, VOC Pro transmitters
Wired (Analog) Input	Up to 8 analog inputs, 4-20mA, for Model AC-7408, or up to 12 analog inputs, 4-20mA, for model AC-7412
Relays	• 4 Dry-contact relays with 4 amp replaceable fuses • Fault terminal • Optional to disable alarm relay • Latching and non-latching relay settings
Enclosure Materials	NEMA-4X enclosure with clear window
Product Dimensions	12 in, L x 10 in. W x 6 in. H (Max. dimensions with attachments)
Total Weight	12.15 lbs
Hardware Warranty	1-Year limited

Download

AC-7400 Literature
Product Datasheet	Operating Manuals
AC-7400 Datasheet	AC-7400 Manual

Resources

AC-7400 Price List & Resources
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AC-7400 Analog Controller

8 or 12 Channel Gas Monitoring

Features

Related Services

AC-7400 Literature

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